1,800W (6.9VAC) Maximum Output Power Unit with 23 Unique Power Settings, Lighted Rocker, 15 AMP Circuit Protection & Heavy-duty aluminum case. 110V. Heavy-Duty, User-friendly hand piece constructed from Heat-Resistant Plastic with ten foot (1.22m) 6 AWG Power cord. Hand piece connects to power unit with 3/8" ring terminal & stud/wing nut system to accommodate higher output range. Concave Carbon Electrodes yield higher temperatures and allow for customization by grinding to fit application. Rugged, Industrial Footswitch with 6 foot (1.83m) cord.